<template>
<div class="login-wrapper">
    <div class="dowebok" id="dowebok">
        <div class="form-container sign-up-container">
            <form>
                <h1>注册</h1>
                <div class="social-container">
                    <a href="#" class="social"><i class="fab fa-facebook-f"></i></a>
                    <a href="#" class="social"><i class="fab fa-google-plus-g"></i></a>
                    <a href="#" class="social"><i class="fab fa-linkedin-in"></i></a>
                </div>
                <span>或使用邮箱注册</span>
                <input type="text" v-model="username" placeholder="用户名">
                <input type="password" v-model="password" placeholder="密码">
                <button type="button" @click="register">注册</button>
            </form>
        </div>
        <div class="form-container sign-in-container">
            <form >
                <h1>登录</h1>
                <div class="social-container">
                    <a href="#" class="social"><i class="fab fa-facebook-f"></i></a>
                    <a href="#" class="social"><i class="fab fa-google-plus-g"></i></a>
                    <a href="#" class="social"><i class="fab fa-linkedin-in"></i></a>
                </div>
                <span>或使用您的帐号</span>
                <input type="text" v-model="username" placeholder="用户名">
                <input type="password" v-model="password" placeholder="密码">
                <a href="#">忘记密码？</a>
                <button type="button" @click="login">登录</button>
            </form>
        </div>
        <div class="overlay-container">
            <div class="overlay">
                <div class="overlay-panel overlay-left">
                    <h1>已有帐号？</h1>
                    <p>请使用您的帐号进行登录</p>
                    <button class="ghost" id="signIn">登录</button>
                </div>
                <div class="overlay-panel overlay-right">
                    <h1>没有帐号？</h1>
                    <p>立即注册加入我们，和我们一起开始旅程吧</p>
                    <button class="ghost" id="signUp">注册</button>
                </div>
            </div>
        </div>
    </div>
</div>
</template>

<script>
import {login, register} from "@/api";
import {TOKEN} from "@/api/ajax";
import {mapActions} from "vuex";

export default {
    name: "Login",
    data() {
        return {
            username: "",
            password: ""
        }
    },
    methods: {
        ...mapActions(["setCurrentUser"]),
        async login() {
            if (!this.username.trim() || !this.password.trim()) {
                this.$message.warning('用户名或密码不能为空！');
                return;
            }
            let result = await login({
                username: this.username,
                password: this.password
            });
            if (result.flag) {
                this.$message.success(result.data.user.username + '，欢迎回来！');
                // 将token存入localStorage中
                localStorage.setItem(TOKEN, result.data.token);
                //存储当前用户信息
                this.setCurrentUser(result.data.user)
                await this.$router.push("/chat");
            } else {
                this.$message.error(result.message);
            }
        },
        async register() {
            if (!this.username.trim() || !this.password.trim()) {
                this.$message({
                    type: 'warning',
                    message: '用户名或密码不能为空！'
                });
                return;
            }
            let result = await register({
                username: this.username,
                password: this.password
            });
            if (result.flag) {
                this.$message({
                    type: 'success',
                    message: '注册成功，请登录！'
                });
                document.getElementById("signIn").click();
            } else {
                this.$message({
                    type: 'error',
                    message: result.message
                });
            }
        },
        init() {
            let signUpButton = document.getElementById('signUp')
            let signInButton = document.getElementById('signIn')
            let container = document.getElementById('dowebok')

            signUpButton.addEventListener('click', function () {
                container.classList.add('right-panel-active')
            })

            signInButton.addEventListener('click', function () {
                container.classList.remove('right-panel-active')
            })

        }
    },
    mounted() {
        this.init();
    }
}
</script>

<style lang="less">
/*引入图标*/
@import "https://cdnjs.cloudflare.com/ajax/libs/font-awesome/5.8.2/css/all.min.css";

* {
    box-sizing: border-box;
}

body {
    font-family: 'Montserrat', sans-serif;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: -20px 0 50px;
    overflow: hidden;
    background-image: url("https://s1.hdslb.com/bfs/static/blive/blfe-message-web/static/img/infocenterbg.a1a0d152.jpg");
    background-position: center center;
    background-size: cover;
}


h1 {
    font-weight: bold;
    margin: 0;
}

p {
    font-size: 14px;
    line-height: 20px;
    letter-spacing: .5px;
    margin: 20px 0 30px;
}

span {
    font-size: 12px;
}

a {
    color: #333;
    font-size: 14px;
    text-decoration: none;
    margin: 15px 0;
}

.dowebok {
    background: #fff;
    border-radius: 10px;
    box-shadow: 0 14px 28px rgba(0, 0, 0, .25), 0 10px 10px rgba(0, 0, 0, .22);
    position: relative;
    overflow: hidden;
    width: 768px;
    max-width: 100%;
    min-height: 480px;
}

.form-container form {
    background: #fff;
    display: flex;
    flex-direction: column;
    padding: 0 50px;
    height: 100%;
    justify-content: center;
    align-items: center;
    text-align: center;
}

.social-container {
    margin: 20px 0;
}

.social-container a {
    border: 1px solid #ddd;
    border-radius: 50%;
    display: inline-flex;
    justify-content: center;
    align-items: center;
    margin: 0 5px;
    height: 40px;
    width: 40px;
}

.social-container a:hover {
    background-color: #eee;
}

.form-container input {
    background: #eee;
    border: none;
    padding: 12px 15px;
    margin: 8px 0;
    width: 100%;
    outline: none;
}

button {
    border-radius: 20px;
    border: 1px solid #ff4b2b;
    background: #ff4b2b;
    color: #fff;
    font-size: 12px;
    font-weight: bold;
    padding: 12px 45px;
    letter-spacing: 1px;
    text-transform: uppercase;
    transition: transform 80ms ease-in;
    cursor: pointer;
}

button:active {
    transform: scale(.95);
}

button:focus {
    outline: none;
}

button.ghost {
    background: transparent;
    border-color: #fff;
}

.form-container {
    position: absolute;
    top: 0;
    height: 100%;
    transition: all .6s ease-in-out;
}

.sign-in-container {
    left: 0;
    width: 50%;
    z-index: 2;
}

.sign-up-container {
    left: 0;
    width: 50%;
    z-index: 1;
    opacity: 0;
}

.overlay-container {
    position: absolute;
    top: 0;
    left: 50%;
    width: 50%;
    height: 100%;
    overflow: hidden;
    transition: transform .6s ease-in-out;
    z-index: 100;
}

.overlay {
    background: #ff416c;
    background: linear-gradient(to right, #ff4b2b, #ff416c) no-repeat 0 0 / cover;
    color: #fff;
    position: relative;
    left: -100%;
    height: 100%;
    width: 200%;
    transform: translateY(0);
    transition: transform .6s ease-in-out;
}

.overlay-panel {
    position: absolute;
    top: 0;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 0 40px;
    height: 100%;
    width: 50%;
    text-align: center;
    transform: translateY(0);
    transition: transform .6s ease-in-out;
}

.overlay-right {
    right: 0;
    transform: translateY(0);
}

.overlay-left {
    transform: translateY(-20%);
}

/* Move signin to right */
.dowebok.right-panel-active .sign-in-container {
    transform: translateY(100%);
}

/* Move overlay to left */
.dowebok.right-panel-active .overlay-container {
    transform: translateX(-100%);
}

/* Bring signup over signin */
.dowebok.right-panel-active .sign-up-container {
    transform: translateX(100%);
    opacity: 1;
    z-index: 5;
}

/* Move overlay back to right */
.dowebok.right-panel-active .overlay {
    transform: translateX(50%);
}

/* Bring back the text to center */
.dowebok.right-panel-active .overlay-left {
    transform: translateY(0);
}

/* Same effect for right */
.dowebok.right-panel-active .overlay-right {
    transform: translateY(20%);
}
</style>
